Container closure



FIG. 1 is an illustrative view of the container closure of the invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken lines in the drawing depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a container closure, as shown and described. 